public retValue TD(string ID, int ModifyUser, int type = 0, int months = 0, int OrderNum = 0)
{
retValue ret = new retValue();
string res = dal.TD(ID, ModifyUser, type, months, OrderNum);
if (string.IsNullOrEmpty(res))
{
ret.result = true; ret.data = "退订成功";
}
else
{
ret.result = false; ret.reason = res;
}
return(ret);
}